Power plug adapter



FIG. 1 is a front, top, right-side perspective view of a power plug adapter showing my new design.

FIG. 2 is a rear, bottom, left-side perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a left end view thereof.

FIG. 6 is a right end view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the power plug adapter that form no part of the claimed design. 

CLAIM The ornamental design for a power plug adapter, as shown and described. 